5. Which of the following pieces of chemistry lab equipment is a glass container with a body shaped like a cone? a a) Beaker b) Crucible c) Erlenmeyer Flask d) Funnel
1. 5. Which of the following pieces of chemistry lab equipment is a glass container with a body shaped like a cone? a a) Beaker b) Crucible c) Erlenmeyer Flask d) Funnel
Answer:
wag puru brainle di lahat Ng sagot sa brainle ay Tama Marami din Ang maling sagot pwede nyu nmn basahin Yung module nyo ah San ba ginagamit Ang module di ba sa pag babasa para ma laman kung ano sagot
2. Describe the function of each laboratory instrument:11. Ring Stand – _____________________________________________________________12. Crucible Tongs – __________________________________________________________13. Test Tube Holder – ________________________________________________________14. Rubber Aspirator – _________________________________________________________15. Lab Coat/Gown – __________________________________________________________
11.In chemistry, a retort stand, also called a clamp stand, a ring stand, or a support stand, is a piece of scientific equipment intended to support other pieces of equipment and glassware — for instance, burettes, test tubes and flasks..
12.Crucible tongs are scissor-like tools, but instead of having two blades, these tools are replaced with two pincers or pieces of metals that concave together, which allow the users to grasp a hot crucible, flasks, evaporating dishes, or even small beakers.
13.A test tube holder is used to hold test tubes. It is used for holding a test tube in place when the tube is hot or should not be touched. For example, a test tube holder can be used to hold a test tube while it is being heated.
14. Rubber Aspirator.It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle. By using rubber bulb, the contact of the mouth to the chemicals can be avoided
15.A white coat, also known as a laboratory coat or lab coat, is a knee-length overcoat or smock worn by professionals in the medical field or by those involved in laboratory work. Doctors wear lab coats. The coat protects their street clothes and also serves as a simple uniform.
HOPE IT HELP.
3. what is the meaning of crucible?
Answer:
A crucible is a ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures
Explanation:
*stay motivated <3*
4. give all the lab equipments usually used
Refurbished and Used Lab EquipmentPurchase and lease used analytical laboratory equipment in the following categories:
• Biotechnology
• Electron Microscopes
• Gas and Liquid Chromatography
• NMR- Nuclear Magnetic Resonance
• Mass Spectrometers
• And more...
5. Journal about Basic Chemistry Lab EquipmentI realized that_____________I understand that __________
Answer:
I understand that, I have learned.
I realized that, we should study the lesson carefully because we can learned more from them.
I need to learn more about, other lesson I don't know yet.
Explanation: thank me later!.
6. what lab equipment is used to measure the amount of liquid
Answer:
Graduated cylinder is the answer
Answer:
Graduated cylinder
Explanation:
7. Pls help guys In the word search below are the names of several pieces of lab equipment.
Hey, this might help you, try to figure one of these words to find out:
BeakerGraduated cylinderBunsen burnerTest tubebalanceErlenmeyer flaskWatch glassBurettePipetteThermometerVolumetric flaskEvaporating dishTest tube rackWire gauzeStirring rodMicroscopesTongsFlorence flaskScoopulaCrucible tongsVolumetric pipetteLaboratory flaskCalorimeterMay View more at:
https://owlcation.com/stem/A-Chemistry-Guide-List-of-Common-Laboratory-Equipment-Names-and-Uses
8. When is the best time to clean equipment and tools in the lab?
Answer:
ANY TIME YOU CAN CLEAN THOSE
Answer:
It is important to swipe down the exterior of all equipment each day and do a thorough, detailed cleaning at least once a week
9. hello po..si dito marunong mag identify ng lab equipment...pa hel0
Answer:
hirap po
Explanation:
pa brainliest po
10. it is used in measuring solids, moving objects and scraping materialsCLUE: It is a lab equipmentNOTE: please answer it correctly
tape washer it is use to scrap metals from recycle
11. why is there a need to get the constant weight of the crucible contaoning the precipitate
Answer:
Your Question - why is there a need to get the constant weight of the crucible contaoning the precipitate
________________________________
Answer - The empty crucible is heated to remove moisture and ensure that the crucible is completely dry as any water present may affect the reading To drive off any moisture or any volatile impurities from the surface of the crucible.
#CarryOnLearning.12. What should we remember in dealing with lab equipment?pls answer ASAP
Answer:be careful
Explanation:cuz if ur not careful ur not
13. Used to Hold a variety of lab equipment, especially during a reaction in which a heat source is being used
Answer:
a heat source is being used
14. 8. What lab equipment is used to measure the amount of matter in an object?
Answer:
Mass is the amount of matter in an object. Scientists often measure mass with a balance. A type of balance called a triple beam balance is pictured in Figure below
Explanation:
I'm not sure Hahhhaha
15. Which lab equipment tool would you use to measure approximately 50 mL of salt water? Explain.
Answer:
Graduated cylinder because it is extremely precise
Explanation:
In a chemistry lab, volume of chemicals can be measured by several tools such as beakers, flasks, burets, pipets , graduated cylinder etc. Out of these, I would preferably use graduated cylinder for measuring 50 ml of salt water. It is so because graduated cylinder have a high accuracy of 1% which means a cylinder of 10 mL can measure a volume of 0.1 mL accurately. Usually the common sizes in which graduated cylinders are available ranges from 5 mL to 3000 mL
Read more on Brainly.com - https://brainly.com/question/10789616#readmore
16. What lab equipment is used for holding and organizing test tubes on the laboratory counter?
Test tube rack are use for holding and organizing test tube on the laboratory counter
Ans: rack
17. what lab equipment is used to manually steer solutions
Answer:
A glass rod is used to manually stir solutions. It can also be used to transfer a single drop of a solution. Forceps (or tweezers) are used to pick up small objects. A funnel is used to aid in the transfer of liquid from one vessel to another.
A glass rodㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ
18. Powdered zinc and solid sulfur combine explosively to form zinc sulfide. You and your lab partner carefully mix 0.010 mole of solid zinc powder with exactly 0.010 mole of powdered sulfur in a small porcelain crucible. Knowing your lab partner, you allow your instructor to ignite the mixture. The explosion forms a cloud of ZnS, scatters some all over the ground, and leaves a crusty pile of product in the crucible. You transfer this and determine that 0.35 grams of solid product has been recovered. Calculate the percentage yield.
Answer:
6.4 percentage yield
Explanation:
19. why is it important to know the location of safety equipment inside the lab
Answer:
to be safe and secure when using safety precautions on the lab to avoid get hurt
Explanation:
am i right
20. give 10 lab equipments report pag wlang silbe inanyo
Answer:
erlenmeyer flasks, tongs, wire gauze, bunsen burner, iron stand, dropper, test tubes, test tube holder, forseps, pipette
Explanation:
ayan lng po... ty
21. what the meaning crucible
Answer:
a ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures.
Answer:
a place or situation in which concentrated forces interact to cause or influence change or development.
22. A sample of magnesium ribbon is ignited in a crucible to form magnesium oxide. Determine the empirical formula of magnesium oxide from the following data: Mass of crucible and cover + magnesium metal 33.741 g Mass of crucible and cover 33.500 g Mass of crucible and cover + magnesium oxide 33.899 g
Answer:ok
Explanation:
23. it is used to support the crucible for direct heating?
Answer:
Triangle
Explanation:
A triangle made of clay pipes and wire that can withstand high temperatures. It is often used to hold a crucible. Wire gauze - A wire gauze is used to support a beaker or flask when heating. The wire gauze helps to spread the heat evenly.
PA HEART AND PA BRAINLIEST NALANG PO! TY! <8
24. Which lab equipment tool would you use to determine if water is almost to its boiling point? Explain.
Answer:
Laboratory thermometer
Explanation:
A laboratory thermometer is used to measure the boiling point and freezing point during science experiments.
(pa rate nlang po)
25. What piece of lab equipment is used in the screening of alcohol?
Answer:
An Erlenmeyer flask, also known as a conical flask (British English) or a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck. It is named after the German chemist Emil Erlenmeyer (1825–1909), who created it in 1860.
Explanation:
pa brainliest po
26. why is it important to know the different lab equipment as well as its uses?
Answer:
So we will be able to be aware and knowledgeable of its functions, risks, purposes and hazards.
To prevent from getting indanger and getting mistakes27. ending of the crucible playwright
Answer:
The Crucible ends with John Proctor marching off to a martyr's death. By refusing to lie and confess to witchcraft, he sacrifices his life in the name of truth. ... We think it's interesting that, though this is Proctor's story, Miller doesn't give him the last word.
Explanation:
Answer:
ending of the crucible playwriht
28. 1.furious 2.condemn 3. exquisite 4. embrace 5. crucible
Answer:
1. exhibiting or goaded by anger
2. express complete disapproval of, to declare to be reprehensible.
3. marked by flawless, craftsmanship or by beautiful
4. a close encircling with the arms and pressure to the chest especially as a sign of a affection
5.a container made of a substance that can resist great heat.
sana makatulong po☺
1. Extremely angry ( similar word : Enraged)
2. Express complete disapproval ( similar word: criticize)
3. Extremely beautiful and typically delicate ( similar words : Beautiful / Lovely )
4. accept or support ( similar words : Accept / support )
5. A ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures.
( Similar word : melting - pot )
I hope this would help. (^^)^_^
29. What is the usage of crucible?
Answer:
: a vessel of a very refractory (see REFRACTORY entry 1 sense 3) material (such as porcelain) used for melting and calcining a substance that requires a high degree of heat
Explanation:
Answer:
pa brainlestExplanation:
thank me later30. what is the lab equipment that can protect your eyes to unexpected splatters?
Answer:
Dust goggles, sometimes called direct ventilated goggles, are tight fitting eye protection designed to resist the passage of large particles into the goggles.
